Update app.py

app.py

@@ -10,16 +10,10 @@ client = InferenceClient("unsloth/Llama-3.2-1B-Instruct")
 
 def respond(
     message,
-    history: list[tuple[str, str]] = None,  # Default history as None to avoid mutable issues
+    history: list[tuple[str, str]] = None  # Default history as None to avoid mutable issues
 ):
     if history is None:
-        history = [
-            (
-                None,
-                "Hi there! I'm your Dietician Assistant, here to help with general advice on diet, "
-                "nutrition, and healthy eating habits. Let's explore your questions.",
-            )
-        ]
+        history = []
 
     # System message describing the assistant's role
     system_message = (
@@ -63,11 +57,19 @@ def respond(
         yield response
 
 
-# Set up the Gradio ChatInterface with an initial history
+def default_message():
+    """Function to return initial default message."""
+    return [("Hi there! I'm your Dietician Assistant, here to help with general advice "
+             "on diet, nutrition, and healthy eating habits. Let's explore your questions.", "")]
+
+
+# Set up the Gradio ChatInterface with an initial default message
 with gr.Blocks() as demo:
-    gr.ChatInterface(respond, value=[("None", 
-        "Hi there! I'm your Dietician Assistant, here to help with general advice on diet, "
-        "nutrition, and healthy eating habits. Let's explore your questions.")])
+    chatbot = gr.ChatInterface(respond)
+    
+    # Display the default message on load
+    gr.State(default_message())  # Store initial chat history
+    chatbot.history = default_message()  # Set the chat history to show the greeting
 
 if __name__ == "__main__":
     demo.launch()